947027828 has 12 divisors (see below), whose sum is σ = 1714447140. Its totient is φ = 457185792.

The previous prime is 947027827. The next prime is 947027869. The reversal of 947027828 is 828720749.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 300953104 + 646074724 = 17348^2 + 25418^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (947027827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4081901 + ... + 4082132.

It is an arithmetic number, because the mean of its divisors is an integer number (142870595).

Almost surely, 2^947027828 is an apocalyptic number.

It is an amenable number.

947027828 is a deficient number, since it is larger than the sum of its proper divisors (767419312).

947027828 is a wasteful number, since it uses less digits than its factorization.

947027828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8164066 (or 8164064 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 47.

The square root of 947027828 is about 30773.8172477839. The cubic root of 947027828 is about 982.0213132591.

The spelling of 947027828 in words is "nine hundred forty-seven million, twenty-seven thousand, eight hundred twenty-eight".